A hole in the dome

"On the red, dusty moon of Rodmark, life is only possible within the dome walls of Lysande, because the air outside is poisonous, and there are monsters, or at least that is what all the citizens have been told; but thirteen-year-old Flossy has seen lights and people moving outside and she is determined to find out the truth of what is beyond the Dome--even if it means she can never go back"--OCLC.